igb_uio: fix build with lock down checks

Caught on ubuntu-16.04 with hwe kernel for aarch64:

$ uname -a
Linux ubuntu1604arm64es 4.13.0-43-generic #48~16.04.1-Ubuntu SMP Thu May
17 13:08:01 UTC 2018 aarch64 aarch64 aarch64 GNU/Linux

== Build kernel/linux/igb_uio
  CC [M] .../kernel/linux/igb_uio/igb_uio.o
In file included from .../kernel/linux/igb_uio/igb_uio.c:20:0:
.../igb_uio/compat.h: In function ‘igbuio_kernel_is_locked_down’:
.../igb_uio/compat.h:146:7:
error: "CONFIG_EFI_SECURE_BOOT_LOCK_DOWN" is not defined [-Werror=undef]
 #elif CONFIG_EFI_SECURE_BOOT_LOCK_DOWN
       ^
cc1: all warnings being treated as errors

Fixes: d67014c3d38b ("igb_uio: fail and log if kernel lock down is enabled")

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/kernel/linux/igb_uio/compat.h b/kernel/linux/igb_uio/compat.h
index e5df515..8dbb896 100644 (file)
--- a/kernel/linux/igb_uio/compat.h
+++ b/kernel/linux/igb_uio/compat.h
@@ -143,7 +143,7 @@ static inline bool igbuio_kernel_is_locked_down(void)
 #ifdef CONFIG_LOCK_DOWN_KERNEL
 #ifdef CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT
        return kernel_is_locked_down(NULL);
-#elif CONFIG_EFI_SECURE_BOOT_LOCK_DOWN
+#elif defined(CONFIG_EFI_SECURE_BOOT_LOCK_DOWN)
        return kernel_is_locked_down();
 #else
        return false;